package com.yang.design.behavior.observe.example1;

import com.yang.design.behavior.observe.example2.LotteryResult;

/**
 * 开奖服务接口
 */
public interface LotteryService {

    /**
     * 摇号相关业务
     * @param uId
     * @return
     */
    LotteryResult lottery(String uId);
}
